Lock shackle



FIG. 1 is a top view of a lock shackle of the present design;

FIG. 2 is a front view of the lock shackle shown in FIG. 1;

FIG. 3 is a bottom view of the lock shackle shown in FIG. 1;

FIG. 4 is a side view of the lock shackle shown in FIG. 1;

FIG. 5 is a side view of the lock shackle shown in FIG. 1;

FIG. 6 is a perspective view of the lock shackle shown in FIG. 1; and,

FIG. 7 is a perspective view of the lock shackle shown in FIG. 1. 

The ornamental design for a lock shackle, as shown and described. 